tested Curve

ext/opencv/curve.cpp

@@ -36,7 +36,7 @@ define_ruby_module()
    */
   VALUE opencv = rb_module_opencv();
   module = rb_define_module_under(opencv, "Curve");
-  rb_define_method(module, "close?", RUBY_METHOD_FUNC(rb_closed_q), 0);
+  rb_define_method(module, "closed?", RUBY_METHOD_FUNC(rb_closed_q), 0);
   rb_define_method(module, "convex?", RUBY_METHOD_FUNC(rb_convex_q), 0);
   rb_define_method(module, "hole?", RUBY_METHOD_FUNC(rb_hole_q), 0);
   rb_define_method(module, "simple?", RUBY_METHOD_FUNC(rb_simple_q), 0);
@@ -95,7 +95,9 @@ rb_arc_length(int argc, VALUE *argv, VALUE self)
 {
   VALUE slice, is_closed;
   rb_scan_args(argc, argv, "02", &slice, &is_closed);
-  return rb_float_new(cvArcLength(CVARR(self), NIL_P(slice) ? CV_WHOLE_SEQ : VALUE_TO_CVSLICE(slice), TRUE_OR_FALSE(is_closed, -1)));
+  return rb_float_new(cvArcLength(CVARR(self),
+				  NIL_P(slice) ? CV_WHOLE_SEQ : VALUE_TO_CVSLICE(slice),
+				  TRUE_OR_FALSE(is_closed, -1)));
 }
 
 __NAMESPACE_END_CURVE

test/test_curve.rb

@@ -0,0 +1,42 @@
+#!/usr/bin/env ruby
+# -*- mode: ruby; coding: utf-8-unix -*- 
+require 'test/unit'
+require 'opencv'
+require File.expand_path(File.dirname(__FILE__)) + '/helper'
+
+include OpenCV
+
+# Tests for OpenCV::Curve
+class TestCurve < OpenCVTestCase
+  def setup
+    @contour1 = CvContour.new
+    
+    mat0 = create_cvmat(128, 128, :cv8u, 1) { |j, i|
+      (j - 64) ** 2 + (i - 64) ** 2 <= (32 ** 2) ? CvColor::White : CvColor::Black
+    }
+    @contour2 = mat0.find_contours
+  end
+
+  def test_closed
+    assert_false(@contour1.closed?)
+    assert(@contour2.closed?)
+  end
+
+  def test_convex
+    assert_false(@contour1.convex?)
+  end
+
+  def test_hole
+    assert_false(@contour1.hole?)
+  end
+
+  def test_simple
+    assert(@contour1.simple?)
+  end
+
+  def test_arc_length
+    assert_in_delta(211.480, @contour2.arc_length, 0.001)
+    assert_in_delta(18.071, @contour2.arc_length(0..10, true), 0.001)
+  end
+end
+